Your One-Stop Shop
for Workplace Safety

CDT is a leading third-party administrator (TPA) that provides a full range of services to clients across the country in support of their DOT and non-DOT drug testing programs. We have been managing drug and alcohol testing programs for more than 30 years. Clients include Fortune 500 companies, private companies, federal, state, and local government agencies, and public transportation entities.

solutions for your organization

We provide a full suite of services to manage your drug and alcohol testing program

Program Management

CDT staff can manage all aspects of your testing program. Our expert team has more than 90 years of experience in DOT and non-DOT testing. We offer the following services:

  • Random selection process
  • Collections
  • Medical Review Officer Services
  • Clearinghouse
  • Scheduling services
  • Laboratory Analysis
  • Results Management
  • On call 24/7 Service
  • Occupational Health Services
  • Education and Training
  • Background Screening
  • Compliance and Audits

Specimen Collections

CDT offers a full-range of specimen collections, including:

  • Nationwide network of clinics
  • Mobile collections, including post-accident and reasonable suspicion
  • Urine, breath alcohol, oral fluid, and blood collections

Laboratory Analysis

  • Testing for traditional DOT panel
  • Testing for customized non-DOT panels
  • Confirmation testing to verify initial results
  • Industry-leading turnaround times

Provide All Forms of Testing

  • Pre-employment testing
  • Post-accident testing
  • Return to duty testing
  • Random testing
  • Reasonable suspicion testing
  • Follow up testing

Modern Technology Platform

  • Secure, cloud-based platform, with multi-factor authentication
  • Results available in real-time
  • Portal available 24/7


Our Drug and Alcohol Testing Clients

CDT’s clients include Fortune 500 companies, small businesses, and local, state, and federal government agencies

Our Testing Partners

CDT partners with the following organizations active in workforce testing